1551145315012 has 12 divisors (see below), whose sum is σ = 2714513497360. Its totient is φ = 775570030056.

The previous prime is 1551145314991. The next prime is 1551145315051. The reversal of 1551145315012 is 2105135411551.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358503 + ... + 2224369.

Almost surely, 2^{1551145315012} is an apocalyptic number.

It is an amenable number.

1551145315012 is a deficient number, since it is larger than the sum of its proper divisors (1163368182348).

1551145315012 is a wasteful number, since it uses less digits than its factorization.

1551145315012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313730 (or 1313728 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 34.

The spelling of 1551145315012 in words is "one trillion, five hundred fifty-one billion, one hundred forty-five million, three hundred fifteen thousand, twelve".